function user(name, age) {
  return {
    name,
    age,
    show() {
      console.log(this.name + `-houdunren.com`);
    },
    out() {
      console.log(`${this.name}是年龄是${this.age}。`);
    }
  };
}
let lisi = user("李四", 18);
lisi.show();
lisi.out();
let zs = user("张三", 23);
zs.show();
zs.out();
